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Finding the Fourth Proportional to 383,456.07, 574,794.45 and 158,938.65

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Solution

The fourth proportional to 383,456.07, 574,794.45 and 158,938.65 is: 238,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,456.07 : 574,794.45 = 158,938.65 : x
  2. Step 2: Convert to fraction form
    383,456.07/574,794.45 = 158,938.65/x
  3. Step 3: Cross multiply
    383,456.07x = 574,794.45 × 158,938.65
  4. Step 4: Simplify right side
    383,456.07x = 91,357,053,910.49
  5. Step 5: Solve for x
    x = 91,357,053,910.49/383,456.07
  6. Step 6: Final answer
    x = 238,246.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.